Commit Graph

311716 Commits

Author SHA1 Message Date
Mitch A Williams
0e90b49ca4 igbvf: fix divide by zero
Using ethtool -C ethX rx-usecs 0 crashes with a divide by zero.
Refactor this function to fix this issue and make it more clear
what the intent of each conditional is. Add comment regarding
using a setting of zero.

CC: stable <stable@vger.kernel.org> [3.3+]
CC: David Ahern <daahern@cisco.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-30 17:40:45 -07:00
Linus Torvalds
6887a4131d Linux 3.5-rc5 2012-06-30 16:08:57 -07:00
Linus Torvalds
c07978b3f8 ARM: SoC fixes
Another week, another batch of fixes.
 
 All are small, contained, targeted fixes for explicit problems -- mostly
 build and boot failures across i.MX, OMAP, Renesas/Shmobile and Samsung.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Another week, another batch of fixes.

  All are small, contained, targeted fixes for explicit problems --
  mostly build and boot failures across i.MX, OMAP, Renesas/Shmobile and
  Samsung."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx6q: fix suspend regression caused by common clk migration
  ARM: OMAP4470: Fix OMAP4470 boot failure
  ARM: EXYNOS: Fix EXYNOS_DEV_DMA Kconfig entry
  ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
  ARM: shmobile: r8a7779: Route all interrupts to ARM
  ARM: shmobile: kzm9d: use late init machine hook
  ARM: shmobile: kzm9g: use late init machine hook
  ARM: mach-shmobile: armadillo800eva: Use late init machine hook
  ARM: SAMSUNG: Fix for S3C2412 EBI memory mapping
  ARM: mach-shmobile: add missing GPIO IRQ configuration on mackerel
  ARM: mach-shmobile: Fix build when SMP is enabled and EMEV2 is not enabled
  ARM: shmobile: sh7372: bugfix: chclr_offset base
  ARM: shmobile: sh73a0: bugfix: SY-DMAC number
  ARM: SAMSUNG: Should check for IS_ERR(clk) instead of NULL
2012-06-30 16:01:50 -07:00
Randy Dunlap
4f0f4af59c printk.c: fix kernel-doc warnings
Fix kernel-doc warnings in printk.c: use correct parameter name.

  Warning(kernel/printk.c:2429): No description found for parameter 'buf'
  Warning(kernel/printk.c:2429): Excess function parameter 'line' description in 'kmsg_dump_get_buffer'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-30 15:56:40 -07:00
Randy Dunlap
87fac28808 linux/irq.h: fix kernel-doc warning
Fix kernel-doc warning.  This struct member was removed in commit
875682648b ("irq: Remove irq_chip->release()") so remove its
associated kernel-doc entry also.

  Warning(include/linux/irq.h:338): Excess struct/union/enum/typedef member 'release' description in 'irq_chip'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-30 15:56:40 -07:00
Olof Johansson
5d5474df64 Merge branch 'v3.5-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
* 'v3.5-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Fix EXYNOS_DEV_DMA Kconfig entry
  ARM: SAMSUNG: Fix for S3C2412 EBI memory mapping
  ARM: SAMSUNG: Should check for IS_ERR(clk) instead of NULL
2012-06-30 15:27:52 -07:00
Shawn Guo
5ae95aefb7 ARM: imx6q: fix suspend regression caused by common clk migration
When moving to common clk framework, the imx6q clks rom and mmdc_ch1_axi
get different on/off states than old clk driver, which breaks suspend
function.  There might be a better way to manage these clocks, but let's
takes the old clk driver approach to fix the regression first.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-06-30 15:25:17 -07:00
Olof Johansson
e5a5192a5e Here's one more regression fix that I missed earlier, and a
trivial fix to get omap4470 booting.
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Merge tag 'omap-fixes-for-v3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
"Here's one more regression fix that I missed earlier, and a
 trivial fix to get omap4470 booting."

* tag 'omap-fixes-for-v3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4470: Fix OMAP4470 boot failure
  ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
2012-06-30 15:21:00 -07:00
Linus Torvalds
c76760926a Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI & Power Management patches from Len Brown.

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  acpi_pad: fix power_saving thread deadlock
  ACPI video: Still use ACPI backlight control if _DOS doesn't exist
  ACPI, APEI, Avoid too much error reporting in runtime
  ACPI: Add a quirk for "AMILO PRO V2030" to ignore the timer overriding
  ACPI: Remove one board specific WARN when ignoring timer overriding
  ACPI: Make acpi_skip_timer_override cover all source_irq==0 cases
  ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI
  ACPI sysfs.c strlen fix
2012-06-30 11:11:58 -07:00
Linus Torvalds
21f27291f5 Driver Core fixes for 3.5-rc5
Here is a number of printk() fixes, specifically a few reported by the
 crazy blog program that ships in SUSE releases (that's "boot log" and
 not "web log", it predates the general "blog" terminology by many
 years), and the restoration of the continuation line functionality
 reported by Stephen and others.  Yes, the changes seem a bit big this
 late in the cycle, but I've been beating on them for a while now, and
 Stephen has even optimized it a bit, so all looks good to me.
 
 The other change in here is a Documentation update for the stable kernel
 rules describing how some distro patches should be backported, to
 hopefully drive a bit more response from the distros to the stable
 kernel releases.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver Core fixes from Greg Kroah-Hartman:
 "Here is a number of printk() fixes, specifically a few reported by the
  crazy blog program that ships in SUSE releases (that's "boot log" and
  not "web log", it predates the general "blog" terminology by many
  years), and the restoration of the continuation line functionality
  reported by Stephen and others.  Yes, the changes seem a bit big this
  late in the cycle, but I've been beating on them for a while now, and
  Stephen has even optimized it a bit, so all looks good to me.

  The other change in here is a Documentation update for the stable
  kernel rules describing how some distro patches should be backported,
  to hopefully drive a bit more response from the distros to the stable
  kernel releases.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'driver-core-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  printk: Optimize if statement logic where newline exists
  printk: flush continuation lines immediately to console
  syslog: fill buffer with more than a single message for SYSLOG_ACTION_READ
  Revert "printk: return -EINVAL if the message len is bigger than the buf size"
  printk: fix regression in SYSLOG_ACTION_CLEAR
  stable: Allow merging of backports for serious user-visible performance issues
2012-06-30 10:11:24 -07:00
Len Brown
6eca954e25 Merge branches 'acpi_pad-bugzilla-42981', 'apei-bugzilla-43282', 'video-bugzilla-43168', 'bugzilla-40002' and 'bugfix-misc' into release
bug fixes
2012-06-30 00:53:50 -04:00
Stuart Hayes
5f16012610 acpi_pad: fix power_saving thread deadlock
The acpi_pad driver can get stuck in destroy_power_saving_task()
waiting for kthread_stop() to stop a power_saving thread.  The problem
is that the isolated_cpus_lock mutex is owned when
destroy_power_saving_task() calls kthread_stop(), which waits for a
power_saving thread to end, and the power_saving thread tries to
acquire the isolated_cpus_lock when it calls round_robin_cpu().  This
patch fixes the issue by making round_robin_cpu() use its own mutex.

https://bugzilla.kernel.org/show_bug.cgi?id=42981

Cc: stable@vger.kernel.org
Signed-off-by: Stuart Hayes <Stuart_Hayes@Dell.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-06-30 00:51:13 -04:00
Zhang Rui
b03738430c ACPI video: Still use ACPI backlight control if _DOS doesn't exist
This fixes a regression in 3.4-rc1 caused by commit
ea9f8856bd
(ACPI video: Harden video bus adding.)

Some platforms don't have _DOS control method, but the ACPI
backlight still works.
We should not invoke _DOS for these platforms.

https://bugzilla.kernel.org/show_bug.cgi?id=43168

Cc: Igor Murzov <intergalactic.anonymous@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-06-30 00:43:42 -04:00
Linus Torvalds
02529ba26f Power management fixes for 3.5-rc5
* Fix for a bug in async suspend error code path causing parents to wait
   forever for their children in case of a suspend error from Mandeep Singh
   Baines (-stable metarial).
 
 * Fix for a suspend regression related to earlier changes in the ACPI
   cpuidle driver from Deepthi Dharwar.
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Merge tag 'pm-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael J. Wysocki:

 * Fix for a bug in async suspend error code path causing parents to
   wait forever for their children in case of a suspend error from
   Mandeep Singh Baines (-stable metarial).

 * Fix for a suspend regression related to earlier changes in the ACPI
   cpuidle driver from Deepthi Dharwar.

* tag 'pm-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / ACPI: Fix suspend/resume regression caused by cpuidle cleanup.
  PM / Sleep: Prevent waiting forever on asynchronous suspend after abort
2012-06-29 19:05:41 -07:00
David S. Miller
0c12d91b70 Merge branch 'master' of git://1984.lsi.us.es/nf
Pablo Neira Ayuso says:

====================
The following are 4 fixes and the update of the MAINTAINERS file
to point to my Netfilter trees.

They are:

* One refcount leak fix in IPVS IPv6 support from Eric Dumazet.

* One fix for interface comparison in ipset hash-netiface sets
  from Florian Westphal.

* One fix for a missing rcu_read_unlock in nfnetlink from
  Tomasz Bursztyka.

* One fix for a kernel crash if IPSET_CMD_NONE is set to ipset via
  nfnetlink, again from Tomasz Bursztyka.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-29 16:35:53 -07:00
Steven Rostedt
d36208227d printk: Optimize if statement logic where newline exists
In reviewing Kay's fix up patch: "printk: Have printk() never buffer its
data", I found two if statements that could be combined and optimized.

Put together the two 'cont.len && cont.owner == current' if statements
into a single one, and check if we need to call cont_add(). This also
removes the unneeded double cont_flush() calls.

Link: http://lkml.kernel.org/r/1340869133.876.10.camel@mop

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-29 16:55:35 -04:00
Linus Torvalds
15114c7e1c Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Benjamin Herrenschmidt:
 "Here are a few powerpc fixes.  Arguably some of this should have come
  to you earlier but I'm only just catching up after my medical leave.

  Mostly these fixes regressions, a couple are long standing bugs."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/pseries: Fix software invalidate TCE
  powerpc: check_and_cede_processor() never cedes
  powerpc/ftrace: Do not trace restore_interrupts()
  powerpc: Fix Section mismatch warnings in prom_init.c
  ppc64: fix missing to check all bits of _TIF_USER_WORK_MASK in preempt
  powerpc: Fix uninitialised error in numa.c
  powerpc: Fix BPF_JIT code to link with multiple TOCs
2012-06-29 13:50:11 -07:00
Linus Torvalds
15b77435ed Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, cpufeature: Remove stray %s, add -w to mkcapflags.pl
  x86, cpufeature: Catch duplicate CPU feature strings
  x86, cpufeature: Rename X86_FEATURE_DTS to X86_FEATURE_DTHERM
  x86: Fix kernel-doc warnings
  x86, compat: Use test_thread_flag(TIF_IA32) in compat signal delivery
2012-06-29 10:29:54 -07:00
Linus Torvalds
62a75b99ad Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull oprofile fixlet from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  oprofile: perf: use NR_CPUS instead or nr_cpumask_bits for static array
2012-06-29 10:29:21 -07:00
Linus Torvalds
efc9def8c7 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fix from Ingo Molnar.

Fixes a bug introduced in this merge window by commit b1420f1c ("Make
rcu_barrier() less disruptive")

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rcu: Stop rcu_do_batch() from multiplexing the "count" variable
2012-06-29 10:24:56 -07:00
Kay Sievers
084681d14e printk: flush continuation lines immediately to console
Continuation lines are buffered internally, intended to merge the
chunked printk()s into a single record, and to isolate potentially
racy continuation users from usual terminated line users.

This though, has the effect that partial lines are not printed to
the console in the moment they are emitted. In case the kernel
crashes in the meantime, the potentially interesting printed
information would never reach the consoles.

Here we share the continuation buffer with the console copy logic,
and partial lines are always immediately flushed to the available
consoles. They are still buffered internally to improve the
readability and integrity of the messages and minimize the amount
of needed record headers to store.

Signed-off-by: Kay Sievers <kay@vrfy.org>
Tested-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-29 11:39:42 -04:00
Alex Deucher
c21b328ea8 drm/radeon: fix VM page table setup on SI
Cayman and trinity allow for variable sized VM page
tables, but SI requires that all page tables be the
same size.  The current code assumes variablely sized
VM page tables so SI may end up with part of each page
table overlapping with other memory which could end
up being interpreted by the VM hw as garbage.

Change the code to better accomodate SI.  Allocate enough
space for at least 2 full page tables and always set
last_pfn to max_pfn on SI so each VM is backed by a full
page table.  This limits us to only 2 VMs active at any
given time on SI.  This will be rectified and the code can
be reunified once we move to two level page tables.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-29 15:13:07 +01:00
Ingo Molnar
add79461a2 perf/core improvements and fixes:
. Improve 'perf bench' docs, by Namhyung Kim
 
 . Fix build when O= is not used, from David Ahern
 
 . Fix cross compilation build, from Namhyung Kim
 
 . Fix pipe mode when callchains are used, from David Ahern
 
 . Follow .gnu_debuglink section to find separate symbols, from Pierre-Loup A. Griffais
 
 . Fix 'perf test' raw events entries, from Jiri Olsa
 
 . Use the events description in the perf.data file, not the sysfs ones.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

perf/core improvements and fixes:

 * Improve 'perf bench' docs, by Namhyung Kim

 * Fix build when O= is not used, from David Ahern

 * Fix cross compilation build, from Namhyung Kim

 * Fix pipe mode when callchains are used, from David Ahern

 * Follow .gnu_debuglink section to find separate symbols, from Pierre-Loup A. Griffais

 * Fix 'perf test' raw events entries, from Jiri Olsa

 * Use the events description in the perf.data file, not the sysfs ones.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-29 15:11:26 +02:00
Tomasz Bursztyka
4009e18851 netfilter: nfnetlink: fix missing rcu_read_unlock in nfnetlink_rcv_msg
Bug added in commit 6b75e3e8d6 (netfilter: nfnetlink: add RCU in
nfnetlink_rcv_msg())

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-06-29 13:04:16 +02:00
Tomasz Bursztyka
d31f4d448f netfilter: ipset: fix crash if IPSET_CMD_NONE command is sent
This patch fixes a crash if that ipset command is sent over nfnetlink.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-06-29 13:04:04 +02:00
Kailang Yang
8663ff75cd ALSA: hda - Fix no sound from ALC662 after Windows reboot
Windows use hidden register to control EAPD.
Linux use verb to control EAPD.
If windows reboot to Linux, it must change the EAPD control to verb
control.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-29 09:44:44 +02:00
Takashi Iwai
c47ccb2e80 ASoC: Updates for 3.5
A couple of unexciting driver specific changes.
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Merge tag 'asoc-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for 3.5

A couple of unexciting driver specific changes.
2012-06-29 09:33:40 +02:00
Hebbar, Gururaja
c9fe573a65 ASoC: tlv320aic3x: Fix codec pll configure bug
In sound/soc/codecs/tlv320aic3x.c

        data = snd_soc_read(codec, AIC3X_PLL_PROGA_REG);
        snd_soc_write(codec, AIC3X_PLL_PROGA_REG,
                      data | (pll_p << PLLP_SHIFT));

In the above code, pll-p value is OR'ed with previous value without
clearing it. Bug is not seen if pll-p value doesn't change across
Sampling frequency.

However on some platforms (like AM335x EVM-SK), pll-p may have different
values across different sampling frequencies. In such case, above code
configures the pll with a wrong value.
Because of this bug, when a audio stream is played with pll value
different from previous stream, audio is heard as differently(like its
stretched).

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-06-29 08:18:03 +01:00
Mark Brown
b0dfa4541e ASoC: wm2200: Add missing BCLK rate
Without this very high BCLKs will be configured incorrectly.

Reported-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-06-29 08:18:02 +01:00
Michael Neuling
bc6dc752f3 powerpc/pseries: Fix software invalidate TCE
The following added support for powernv but broke pseries/BML:
 1f1616e powerpc/powernv: Add TCE SW invalidation support

TCE_PCI_SW_INVAL was split into FREE and CREATE flags but the tests in
the pseries code were not updated to reflect this.

Signed-off-by: Michael Neuling <mikey@neuling.org>
cc: stable@kernel.org [v3.3+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:37 +10:00
Anton Blanchard
0b17ba7258 powerpc: check_and_cede_processor() never cedes
Commit f948501b36 ("Make hard_irq_disable() actually hard-disable
interrupts") caused check_and_cede_processor to stop working.
->irq_happened will never be zero right after a hard_irq_disable
so the compiler removes the call to cede_processor completely.

The bug was introduced back in the lazy interrupt handling rework
of 3.4 but was hidden until recently because hard_irq_disable did
nothing.

This issue will eventually appear in 3.4 stable since the
hard_irq_disable fix is marked stable, so mark this one for stable
too.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:37 +10:00
Steven Rostedt
2d773aa481 powerpc/ftrace: Do not trace restore_interrupts()
As I was adding code that affects all archs, I started testing function
tracer against PPC64 and found that it currently locks up with 3.4
kernel. I figured it was due to tracing a function that shouldn't be, so
I went through the following process to bisect to find the culprit:

 cat /debug/tracing/available_filter_functions > t
 num=`wc -l t`
 sed -ne "1,${num}p" t > t1
 let num=num+1
 sed -ne "${num},$p" t > t2
 cat t1 > /debug/tracing/set_ftrace_filter
 echo function /debug/tracing/current_tracer
 <failed? bisect t1, if not bisect t2>

It finally came down to this function: restore_interrupts()

I'm not sure why this locks up the system. It just seems to prevent
scheduling from occurring. Interrupts seem to still work, as I can ping
the box. But all user processes freeze.

When restore_interrupts() is not traced, function tracing works fine.

Cc: stable@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:36 +10:00
Li Zhong
2cb387ae75 powerpc: Fix Section mismatch warnings in prom_init.c
This patches tries to fix a couple of Section mismatch warnings like
following one:

WARNING: arch/powerpc/kernel/built-in.o(.text+0x2923c): Section mismatch
in reference from the function .prom_query_opal() to the
function .init.text:.call_prom()
The function .prom_query_opal() references
the function __init .call_prom().
This is often because .prom_query_opal lacks a __init
annotation or the annotation of .call_prom is wrong.

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:36 +10:00
Tiejun Chen
c58ce2b1e3 ppc64: fix missing to check all bits of _TIF_USER_WORK_MASK in preempt
In entry_64.S version of ret_from_except_lite, you'll notice that
in the !preempt case, after we've checked MSR_PR we test for any
TIF flag in _TIF_USER_WORK_MASK to decide whether to go to do_work
or not. However, in the preempt case, we do a convoluted trick to
test SIGPENDING only if PR was set and always test NEED_RESCHED ...
but we forget to test any other bit of _TIF_USER_WORK_MASK !!! So
that means that with preempt, we completely fail to test for things
like single step, syscall tracing, etc...

This should be fixed as the following path:

 - Test PR. If not set, go to resume_kernel, else continue.

 - If go resume_kernel, to do that original do_work.

 - If else, then always test for _TIF_USER_WORK_MASK to decide to do
that original user_work, else restore directly.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:35 +10:00
Michael Neuling
82b2521d25 powerpc: Fix uninitialised error in numa.c
chroma_defconfig currently gives me this with gcc 4.6:
  arch/powerpc/mm/numa.c:638:13: error: 'dm' may be used uninitialized in this function [-Werror=uninitialized]

It's a bogus warning/error since of_get_drconf_memory() only writes it
anyway.

Signed-off-by: Michael Neuling <mikey@neuling.org>
cc: <stable@kernel.org> [v3.3+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:35 +10:00
Michael Ellerman
7784655acc powerpc: Fix BPF_JIT code to link with multiple TOCs
If the kernel is big enough (eg. allyesconfig), the linker may need to
switch TOCs when calling from the BPF JIT code out to the external
helpers (skb_copy_bits() & bpf_internal_load_pointer_neg_helper()).

In order to do that we need to leave space after the bl for the linker
to insert a reload of our TOC pointer.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-06-29 14:35:34 +10:00
Daniel Mack
76fbc247b9 davinci_cpdma: include linux/module.h
This fixes a number of warnings such as:

  CC      drivers/net/ethernet/ti/davinci_cpdma.o
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: data definition
has no type or storage class
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: type defaults to
‘int’ in declaration of ‘EXPORT_SYMBOL_GPL’
drivers/net/ethernet/ti/davinci_cpdma.c:279:1: warning: parameter names
(without types) in function declaration

Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-28 17:03:06 -07:00
David S. Miller
ca33c00fff Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John Linville says:

====================
Amitkumar Karwar gives us two mwifiex fixes: one fixes some skb
manipulations when handling some event messages; and another that
does some similar fixing on an error path.

Avinash Patil gives us a fix for for a memory leak in mwifiex.

Dan Rosenberg offers an NFC NCI fix to enforce some message length
limits to prevent buffer overflows.

Eliad Peller provides a mac80211 fix to prevent some frames from
being built with an invalid BSSID.

Eric Dumazet sends an NFC fix to prevent a BUG caused by a NULL
pointer dereference.

Felix Fietkau has an ath9k fix for a regression causing
LEAP-authenticated connection failures.

Johannes Berg provides an iwlwifi fix that eliminates some log SPAM
after an authentication/association timeout.  He also provides a
mac80211 fix to prevent incorrectly addressing certain action frames
(and in so doing, to comply with the 802.11 specs).

Larry Finger provides a few USB IDs for the rtl8192cu driver --
should be harmless.

Panayiotis Karabassis provices a one-liner to fix kernel bug 42903
(a system freeze).

Randy Dunlap provides a one-line Kconfig change to prevent build
failures with some configurations.

Stone Piao provides an mwifiex sequence numbering fix and a fix
to prevent mwifiex from attempting to include eapol frames in an
aggregation frame.

Finally, Tom Hughes provides an ath9k fix for a NULL pointer
dereference.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-28 16:58:09 -07:00
Claudiu Manoil
9740e00193 gianfar: Fix RXICr/TXICr programming for multi-queue mode
The correct behavior is to program the interrupt coalescing regs
(RXICr/TXICr) in accordance with the Rx/Tx Q's "rx/txcoalescing"
flag. That is, if the coalescing flag is 0 for a given Rx/Tx queue
then the corresponding coalescing register should be cleared.
This behavior is correctly implemented for the single-queue mode
(SQ_SG_MODE), but not for the multi-queue mode (MQ_MG_MODE).
This fixes the later case.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-28 16:57:26 -07:00
Vinson Lee
7cecb523ad net: Downgrade CAP_SYS_MODULE deprecated message from error to warning.
Make logging level consistent with other deprecation messages in net
subsystem.

Signed-off-by: Vinson Lee <vlee@twitter.com>
Cc: David Mackey <tdmackey@twitter.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-28 16:55:05 -07:00
Bjørn Mork
d9b8706843 net: qmi_wwan: fix Oops while disconnecting
usbnet_disconnect() will set intfdata to NULL before calling
the minidriver unbind function.  The cdc_wdm subdriver cannot
know that it is disconnecting until the qmi_wwan unbind
function has called its disconnect function.  This means that
we must be able to support the cdc_wdm subdriver operating
normally while usbnet_disconnect() is running, and in
particular that intfdata may be NULL.

The only place this matters is in qmi_wwan_cdc_wdm_manage_power
which is called from cdc_wdm.  Simply testing for NULL
intfdata there is sufficient to allow it to continue working
at all times.

Fixes this Oops where a cdc-wdm device was closed while the
USB device was disconnecting, causing wdm_release to call
qmi_wwan_cdc_wdm_manage_power after intfdata was set to
NULL by usbnet_disconnect:

[41819.087460] BUG: unable to handle kernel NULL pointer dereference at 00000080
[41819.087815] IP: [<f8640458>] qmi_wwan_manage_power+0x68/0x90 [qmi_wwan]
[41819.088028] *pdpt = 000000000314f001 *pde = 0000000000000000
[41819.088028] Oops: 0002 [#1] SMP
[41819.088028] Modules linked in: qmi_wwan option usb_wwan usbserial usbnet
cdc_wdm nls_iso8859_1 nls_cp437 vfat fat usb_storage bnep rfcomm bluetooth
parport_pc ppdev binfmt_misc iptable_nat nf_nat nf_conntrack_ipv4
nf_conntrack nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables
x_tables dm_crypt uvcvideo snd_hda_codec_realtek snd_hda_intel
videobuf2_core snd_hda_codec joydev videodev videobuf2_vmalloc
hid_multitouch snd_hwdep arc4 videobuf2_memops snd_pcm snd_seq_midi
snd_rawmidi snd_seq_midi_event ath9k mac80211 snd_seq ath9k_common ath9k_hw
ath snd_timer snd_seq_device sparse_keymap dm_multipath scsi_dh coretemp
mac_hid snd soundcore cfg80211 snd_page_alloc psmouse serio_raw microcode
lp parport dm_mirror dm_region_hash dm_log usbhid hid i915 drm_kms_helper
drm r8169 i2c_algo_bit wmi video [last unloaded: qmi_wwan]
[41819.088028]
[41819.088028] Pid: 23292, comm: qmicli Not tainted 3.4.0-5-generic #11-Ubuntu GIGABYTE T1005/T1005
[41819.088028] EIP: 0060:[<f8640458>] EFLAGS: 00010246 CPU: 1
[41819.088028] EIP is at qmi_wwan_manage_power+0x68/0x90 [qmi_wwan]
[41819.088028] EAX: 00000000 EBX: 00000000 ECX: 000000c3 EDX: 00000000
[41819.088028] ESI: c3b27658 EDI: 00000000 EBP: c298bea4 ESP: c298be98
[41819.088028]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[41819.088028] CR0: 8005003b CR2: 00000080 CR3: 3605e000 CR4: 000007f0
[41819.088028] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[41819.088028] DR6: ffff0ff0 DR7: 00000400
[41819.088028] Process qmicli (pid: 23292, ti=c298a000 task=f343b280 task.ti=c298a000)
[41819.088028] Stack:
[41819.088028]  00000000 c3b27658 e2a80d00 c298beb0 f864051a c3b27600 c298bec0 f9027099
[41819.088028]  c2fd6000 00000008 c298bef0 c1147f96 00000001 00000000 00000000 f4e54790
[41819.088028]  ecf43a00 ecf43a00 c2fd6008 c2fd6000 ebbd7600 ffffffb9 c298bf08 c1144474
[41819.088028] Call Trace:
[41819.088028]  [<f864051a>] qmi_wwan_cdc_wdm_manage_power+0x1a/0x20 [qmi_wwan]
[41819.088028]  [<f9027099>] wdm_release+0x69/0x70 [cdc_wdm]
[41819.088028]  [<c1147f96>] fput+0xe6/0x210
[41819.088028]  [<c1144474>] filp_close+0x54/0x80
[41819.088028]  [<c1046a65>] put_files_struct+0x75/0xc0
[41819.088028]  [<c1046b56>] exit_files+0x46/0x60
[41819.088028]  [<c1046f81>] do_exit+0x141/0x780
[41819.088028]  [<c107248f>] ? wake_up_state+0xf/0x20
[41819.088028]  [<c1053f48>] ? signal_wake_up+0x28/0x40
[41819.088028]  [<c1054f3b>] ? zap_other_threads+0x6b/0x80
[41819.088028]  [<c1047864>] do_group_exit+0x34/0xa0
[41819.088028]  [<c10478e8>] sys_exit_group+0x18/0x20
[41819.088028]  [<c15bb7df>] sysenter_do_call+0x12/0x28
[41819.088028] Code: 04 83 e7 01 c1 e7 03 0f b6 42 18 83 e0 f7 09 f8 88 42
18 8b 43 04 e8 48 9a dd c8 89 f0 8b 5d f4 8b 75 f8 8b 7d fc 89 ec 5d c3 90
<f0> ff 88 80 00 00 00 0f 94 c0 84 c0 75 b7 31 f6 8b 5d f4 89 f0
[41819.088028] EIP: [<f8640458>] qmi_wwan_manage_power+0x68/0x90 [qmi_wwan] SS:ESP 0068:c298be98
[41819.088028] CR2: 0000000000000080
[41819.149492] ---[ end trace 0944479ff8257f55 ]---

Reported-by: Marius Bjørnstad Kotsbak <marius.kotsbak@gmail.com>
Cc: <stable@vger.kernel.org> # v3.4
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-28 16:53:28 -07:00
Linus Torvalds
9acc7bde23 hwmon changes for 3.5-rc5:
e-mail address updates
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon changes from Guenter Roeck:
 "Just e-mail address updates"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: Update my e-mail address
  hwmon: (applesmc) correct email address for Jesper Juhl
2012-06-28 12:38:51 -07:00
Linus Torvalds
ccce27c0fe Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
 "This fixes:
   - the WDIOC_GETSTATUS return value
   - the unregister of all NMI events on exit
   - the loading of the iTCO_wdt driver after the conversion to the
     lpc_ich mfd model."

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: core: fix WDIOC_GETSTATUS return value
  watchdog: hpwdt: Unregister NMI events on exit.
  watchdog: iTCO_wdt: add platform driver module alias
2012-06-28 11:51:19 -07:00
Linus Torvalds
221d3ebf3a Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF fixes from Jan Kara:
 "Make UDF more robust in presence of corrupted filesystem"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: Fortify loading of sparing table
  udf: Avoid run away loop when partition table length is corrupted
  udf: Use 'ret' instead of abusing 'i' in udf_load_logicalvol()
2012-06-28 11:43:45 -07:00
Linus Torvalds
9a7c6b73c4 Fix the debugfs regression - we never enable it because incorrect
'IS_ENABLED()' macro usage: should be 'IS_ENABLED(CONFIG_DEBUG_FS)',
 but we had 'IS_ENABLED(DEBUG_FS)'. Also fix incorrect assertion.
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Merge tag 'upstream-3.5-rc5' of git://git.infradead.org/linux-ubifs

Pull ubi/ubifs fixes from Artem Bityutskiy:
 "Fix the debugfs regression - we never enable it because incorrect
  'IS_ENABLED()' macro usage: should be 'IS_ENABLED(CONFIG_DEBUG_FS)',
  but we had 'IS_ENABLED(DEBUG_FS)'.  Also fix incorrect assertion."

* tag 'upstream-3.5-rc5' of git://git.infradead.org/linux-ubifs:
  UBI: correct usage of IS_ENABLED()
  UBIFS: correct usage of IS_ENABLED()
  UBIFS: fix assertion
2012-06-28 11:41:43 -07:00
Wim Van Sebroeck
8b9468d496 watchdog: core: fix WDIOC_GETSTATUS return value
In commit 7a87982420 we added
a wrapper for the WDIOC_GETSTATUS ioctl call. The code results
however in a different behaviour: it returns an error if the
driver doesn't support the status operation. This is not
according to the API that says that when we don't support
the status operation, that we just should return a 0 value.
Only when the device isn't there anymore, we should return an
error.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:56 +02:00
Mingarelli, Thomas
a089361cf5 watchdog: hpwdt: Unregister NMI events on exit.
This patch is to unregister for NMI events upon exit. Also we are now
making the default setting for allow_kdump enabled.

Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:31 +02:00
Jan Beulich
e5de32e3ec watchdog: iTCO_wdt: add platform driver module alias
The recent conversion of iTCO_wdt resulted in the driver no longer
getting loaded automatically, since it no longer has a
MODULE_DEVICE_TABLE() included. As the lpc_ich driver now creates a
platform device, auto-loading can easily be done by having a respective
module alias in place.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:10 +02:00
Linus Torvalds
4a9c46978d Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Nearly all intel, one missing license header in nouveau, nothing
  majorly earth shattering."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  Revert "drm/i915: allow PCH PWM override on IVB"
  drm/nouveau: add license header to prime.
  drm/i915: Fix eDP blank screen after S3 resume on HP desktops
  drm/i915: rip out the PM_IIR WARN
2012-06-28 11:26:42 -07:00
Linus Torvalds
ef726227e7 SuperH fixes for 3.5-rc5
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh: Convert sh_clk_mstp32_register to sh_clk_mstp_register
  sh: kfr2r09: fix compile breakage
2012-06-28 11:22:25 -07:00